PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

820-4384426-9Stud,pressurizer

Naval Sea Systems Command · NSN 4470-01-672-9249 · FSC 4470 · No Item Name Available
Verified by PartsTable
NSN 4470-01-672-9249 — this item is cataloged by the U.S. Government under National Stock Number 4470-01-672-9249. Primary manufacturer part number: 820-4384426-9.
Features
  • Stud,pressurizer — FSC 4470
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • 1 verified cross-reference
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Stud,pressurizer, cataloged under National Stock Number 4470-01-672-9249, is classified within Federal Supply Class 4470 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4470-01-672-9249
Primary Part Number820-4384426-9
Item NameStud,pressurizer
FSC / FSG4470 / 44 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4470-01-057-5117 INTERCHANGEABLE
Stud,pressurizer
Cross-Reference Index
Part NumberManufacturer
820-4384426-9 Naval Sea Systems Command (USA)
Related Parts
4470-01-057-5117INTERCHANGEABLE
STUD,PRESSURIZER

Frequently Asked Questions

What is NSN 4470-01-672-9249?

NSN 4470-01-672-9249 is a Stud,pressurizer, manufactured by Naval Sea Systems Command, classified under FSC 4470 (No Item Name Available). Status: active.

What are the part numbers for NSN 4470-01-672-9249?

NSN 4470-01-672-9249 has 1 cross-referenced part number: 820-4384426-9 (Naval Sea Systems Command).

What NSN replaces 4470-01-672-9249?

There is 1 known substitute for 4470-01-672-9249: 4470-01-057-5117. Verify interchangeability with system specifications before substitution.

What are the specifications of 820-4384426-9?

Key specifications for 820-4384426-9: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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